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Draw-lead type bushing (10kV/50~315A)

The transformer sleeve is the main insulating device outside the transformer box. The lead wire of the transformer winding must pass through the insulating sleeve to insulate the lead wire between the lead wire and the lead wire between the transformer shell, and to fix the lead wire at the same time.Due to different voltage levels, the insulation sleeve has pure porcelain sleeves, oil-filled sleeves and capacitive sleeves.Pure porcelain bushing is mostly used for transformers of 10kV and below. It is to wear a conductive copper rod in the porcelain bushing, and the inside of the porcelain bushing is air insulated.The oil-filled bushing is mainly used in the 35kV class transformer. It is oil-filled in the porcelain bushing. A conductive copper pole is worn in the porcelain bushing.Capacitive bushing is composed of main insulating capacitor core, outer insulating upper and lower porcelain parts, connecting sleeve, oil pillow, spring assembly, base, equalizing ball, measuring terminal, wiring terminal, rubber washer, insulating oil, etc.It is used in high voltage transformers above 100kV.


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Draw-lead type bushing outline dimensions(10kV/50~315A)

 

Sequence Number Code Model Dimensions Opening Arcing distance Creep distance Shield Weight
(kg)
H h2 h3 d1 d2 d0 h1
1 AM.BDA.001 BJL-10/50 305 208 65 115 6 65 122 320 3 single umbrella 2.5
2 AM.BDA.002 BJL-10/100 305 208 65 115 9 65 122 320 3 single umbrella 2.5
3 AM.BDA.003 BJL-10/250 305 208 65 115 12 65 122 320 3 single umbrella 2.5
4 AM.BDA.004 BJL-10/315 305 208 65 115 16 65 122 320 3 single umbrella 2.5
5 AM.BDA.005 BJL-10/50 315 218 60 100 6 65 137 410 5 single umbrella 2.5
6 AM.BDA.006 BJL-10/100 315 218 60 100 9 65 137 410 5 single umbrella 2.5
7 AM.BDA.007 BJL-10/250 315 218 60 100 12 65 137 410 5 single umbrella 2.5
8 AM.BDA.008 BJL-10/315 315 218 60 100 16 65 137 410 5 single umbrella 2.5
9 AM.BDA.009 BJLW-10/50 340 243 65 115 6 65 157 400 3 big 2 small 3
10 AM.BDA.010 BJLW-10/100 340 243 65 115 9 65 157 400 3 big 2 small 3
11 AM.BDA.011 BJLW-10/250 340 243 65 115 12 65 157 400 3 big 2 small 3
12 AM.BDA.012 BJLW-10/315 340 243 65 115 16 65 157 400 3 big 2 small 3.1

 

Note: add "N" after the model when using the built-in structure, add "P" after the model when choosing the pressure plate structure, and add "H" after the model when using butterfly type tablet

After the code, add "DZ" to represent the terminal, and "T" to represent the sheath. In addition, other specifications can be customized according to customer requirements.

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